[updates] fix: Initial update failed due to the published date of the actual index being in the past

service/updates/module.go

@@ -205,9 +205,16 @@ func New(instance instance, name string, cfg Config) (*Updater, error) {
 		Name:    configure.DefaultBinaryIndexName,
 		Version: info.VersionNumber(),
 	})
-	if err == nil && index.init(currentPlatform) == nil {
-		module.index = index
-		return module, nil
+	if err == nil {
+		// As the index is generated from the current directory,
+		// we must set the published date to a fixed point in the past.
+		// New indexes will only be considered if their published date is later than the current one.
+		index.Published = time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC)
+
+		if index.init(currentPlatform) == nil {
+			module.index = index
+			return module, nil
+		}
 	}
 
 	// Fall back to empty index.